Caption says, "A-810 Condition of foundation rock in right portion of spillway after blasting to grade, Altus Dam - Altus Project.
Caption says, "A-812 Large fissure extending upstream through foundation of Altus Dam and connectin...
Engineers working on the spillway for the Altus dam project. Caption says, "A-791 Engineers staking ...
Caption says, "A-1040 Altus Dam spillways after completion of concrete placing in controlled spillw...
Caption says, "A-819 Water worn condition of foundation rock near center of controlled spillway Alt...
Caption says, "A-809 View of foundation rock at the edge of large water worn hole in spillway. See ...
Caption says, "A-811 View of foundation rock before final clean up in main portion of Dam - Altus P...
Caption says, "A-814 Closeup view of hole worn in rock spillway foundation. Altus Dam - Altus Proje...
Fractured rock shown in diversion channel for the Altus Dam project. Caption says, "A-726 Condition ...
Foundation for the Altus Dam project. Caption says, "A-795 View of foundation for Altus Dam showing ...
Caption says, "A-816 Columnar rock formation on right abutment of foundation before removal for Alt...
Caption says, "A-806 Altus Dam foundation during rock excavation and cleanup January 7, 1943. Taken...
Caption says, "A-808 View of foundation for Altus Dam during rock excavation and cleanup activities...
Caption says, "A-817 Progress on cleanup of foundation for Altus Dam. Taken from right abutment Jan...
View of the foundation of the new Altus Dam for the Altus Dam project. Caption says, "A-796 Clean up...
Caption says, "A-813 View of main portion of dam foundation showing effect of wear due to water cou...
Caption says, "A-812 Large fissure extending upstream through foundation of Altus Dam and connectin...
Engineers working on the spillway for the Altus dam project. Caption says, "A-791 Engineers staking ...
Caption says, "A-1040 Altus Dam spillways after completion of concrete placing in controlled spillw...
Caption says, "A-819 Water worn condition of foundation rock near center of controlled spillway Alt...
Caption says, "A-809 View of foundation rock at the edge of large water worn hole in spillway. See ...
Caption says, "A-811 View of foundation rock before final clean up in main portion of Dam - Altus P...
Caption says, "A-814 Closeup view of hole worn in rock spillway foundation. Altus Dam - Altus Proje...
Fractured rock shown in diversion channel for the Altus Dam project. Caption says, "A-726 Condition ...
Foundation for the Altus Dam project. Caption says, "A-795 View of foundation for Altus Dam showing ...
Caption says, "A-816 Columnar rock formation on right abutment of foundation before removal for Alt...
Caption says, "A-806 Altus Dam foundation during rock excavation and cleanup January 7, 1943. Taken...
Caption says, "A-808 View of foundation for Altus Dam during rock excavation and cleanup activities...
Caption says, "A-817 Progress on cleanup of foundation for Altus Dam. Taken from right abutment Jan...
View of the foundation of the new Altus Dam for the Altus Dam project. Caption says, "A-796 Clean up...
Caption says, "A-813 View of main portion of dam foundation showing effect of wear due to water cou...
Caption says, "A-812 Large fissure extending upstream through foundation of Altus Dam and connectin...
Engineers working on the spillway for the Altus dam project. Caption says, "A-791 Engineers staking ...
Caption says, "A-1040 Altus Dam spillways after completion of concrete placing in controlled spillw...